Bazhou Dpair Hardware Tools Co., LTD.

Rock Chain Trencher for Quarry and Slope Trenching

The Rock Chain Trencher is designed for stone cutting, rock trenching, and narrow slot work where accuracy and reach matter.
As a professional manufacturer of Rock Chain Trencher, we provide more cost-effective products. Whether you want to buy or become a distributor, you are welcome to contact us anytime.

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Product description

Rock Chain Trencher is made for projects that need controlled cutting in stone, weathered rock, and other hard formations. Instead of breaking a wide area, this attachment follows a narrow path and creates a more defined trench line. A Rock Chain Trencher is a strong choice for quarry work, slope engineering, utility installation, road construction, and foundation preparation where the material is too hard for ordinary digging methods.

The cutting system helps crews work more accurately on difficult surfaces. An excavator can place the attachment at the required angle, which makes the tool useful on rock faces, embankments, roadside cuts, and uneven ground. A Rock Chain Trencher reduces overcut and limits unnecessary disturbance around the trench. That is important when the job needs a precise channel for cable, pipe, drainage, slot cutting, or rock separation work. It also helps reduce the amount of secondary trimming after the main cut is finished. It is also a useful option when a project needs repeated trench sections with a similar width, because the chain path helps keep results more consistent.

The attachment is designed for demanding applications. A heavy-duty frame, chain assembly, and hydraulic drive support steady performance in abrasive environments. The operator controls the process from the cab and can adjust positioning as site conditions change. Many contractors choose a Rock Chain Trencher because it offers better trench definition than broad breaking and better reach than fixed cutting equipment on rough terrain.

This product fits contractors who work in quarries, mines, municipal sites, infrastructure projects, and difficult hillside conditions. It supports cleaner cutting, more stable workflow, and better excavator utilization on hard material jobs. If your team needs an attachment focused on rock trenching and narrow slot cutting, this is a practical solution. Tell us your excavator class and target material, and we will recommend a suitable Rock Chain Trencher configuration for your project.

Item

YETR-2 YETR-3 YETR-4
Applicable Carrier (T) 13–18 20–45

50–70

Trenching Width (mm)

150 / 250 200 / 300 / 400 300 / 400 / 500 / 600
Rock Trenching Depth (mm) 1200 / 800 1800 / 1200 / 900

2500 / 1800 / 1500 / 1200

Mixed Ground Trenching Depth (mm) 1800 / 1400 2400 / 1800 / 1500 3000 / 2400 / 2000 / 1800
Maximum Pressure (MPa) 35 35 35
Recommended Flow (L/min) 150 280

350

Maximum Cutting Force (Nm)

35,000 85,000 125,000
Machine Weight (kg) ≤ 2000 ≤ 3500

≤ 6000

Components / Brand

Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain

Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain

Rock Chain Trencher cutting rock wall
The excavator-mounted rock chain trencher cuts a narrow groove into the rock wall for controlled rock removal.
Excavator Mounted Chain Trencher on construction site
The excavator mounted chain trencher is installed on site and ready for narrow trench cutting in confined working conditions.
Trenching Attachment close-up on excavator
This close-up highlights the compact drive head and reinforced structure of the trenching attachment during field installation.
Hydraulic Chain Trencher working on rock slope
The hydraulic chain trencher works on a rocky slope and delivers controlled cutting under challenging terrain conditions.
Rock Trencher close-up cutting hard stoneThe rock trencher cuts directly into hard stone and creates a narrow cutting path with strong control.
Chain-and-Boom Trencher side view on slope
The chain-and-boom trencher keeps the cutting line stable while the excavator works across a sloped rock surface.
Excavator Trencher Attachment cutting rock face
The excavator trencher attachment helps the operator follow a controlled trench line on a rough rock face.
The chain trencher works in hard rock conditions and supports efficient narrow cutting for demanding field jobs.
The excavator trencher attachment helps the operator follow a controlled trench line on a rough rock face.

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